| Tournament | Round | Betty Irwin | Sue Tuckett |
| 20.06.1998 Wollongong Marj Babb (NSW) | 4 | 306 | 311 |
| 17.02.2001 Wollongong WORDS February Frolic (NSW) | 1 | 339 | 428 |
| 16.06.2001 Wollongong Marj Babb (NSW) | 6 | 382 | 274 |
| Head-to-head after 3 games | 1 | 2 | |
| Average score | 342.33 | 337.66 | |
| Spread: | 14 | -14 | |